k7000 problem help please

LyonsArcade

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hey guys, I have a 13 inch k7000 knockoff in a mini neo geo had a great picture but noticed one day the picture got smaller (picture came in about 3 inches on both sides) and also all the letters was off kinda like the convergence was off or something but it wasnt, i've never had this happen before so I went ahead and took the monitor out, replaced flyback, hot, put a capkit in it put it back in and the picture looked perfect, been working fine for about a week but today when i looked it was back how it was before picture came in 3 inches on both sides and the insert coin and credit ect looks like the convergence is off

any ideas?

Thanks!
 
Check the neck pins, and the neckboard. You might check the area around the flyback for cracks, or cold solder around the horizontal width coil...
 
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